/* ==========================================================================
   F-014 — PK Music Studio chrome: topbar, header, nav, mobile, footer.
   Page-scoped creative styles live inline in pages/music-studio.php.
   ========================================================================== */
.ms-section { --ms-violet: #8b5cf6; --ms-pink: #ec4899; --ms-bg: #0d0e13; --ms-text: #ececf3; }
/* F-014: Brand logo image (transparent PNG, cropped to artwork via aspect-ratio) */
.ms-logo-img { height: 44px; aspect-ratio: 384 / 174; object-fit: cover; object-position: center; border-radius: 0.5rem; flex-shrink: 0; }
.ms-logo-img--sm { height: 36px; }
@media (min-width: 1024px) { .ms-header .ms-logo-img { height: 52px; } }
.ms-topbar { background: #0a0b10; color: rgba(236,236,243,0.7); font-size: 0.78rem; border-bottom: 1px solid rgba(236,236,243,0.08); }
.ms-topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.5rem 0; }
.ms-topbar-link { color: rgba(236,236,243,0.7); text-decoration: none; display: inline-flex; align-items: center; gap: 0.5rem; min-height: 32px; }
.ms-topbar-link:hover { color: var(--ms-pink); }
.ms-topbar-note { letter-spacing: 0.14em; text-transform: uppercase; font-size: 0.68rem; color: rgba(236,236,243,0.45); }
@media (max-width: 640px) { .ms-topbar-note { display: none; } }
.ms-header { position: sticky; top: 0; z-index: 900; background: rgba(13,14,19,0.96); backdrop-filter: blur(8px); border-bottom: 1px solid rgba(236,236,243,0.1); }
.ms-header-inner { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 1.25rem; min-height: 72px; padding: 0.6rem 1rem; max-width: 1280px; margin: 0 auto; }
.ms-header-logo { display: flex; align-items: center; gap: 0.7rem; text-decoration: none; color: var(--ms-text); }
.ms-logo-mark { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 0.5rem; background: linear-gradient(135deg, #6d3ef2, #ec4899); color: #fff; font-size: 1rem; flex-shrink: 0; }
.ms-logo-mark--sm { width: 34px; height: 34px; font-size: 0.85rem; }
.ms-logo-name { display: block; font-weight: 800; font-size: 1.02rem; line-height: 1.2; }
.ms-logo-tagline { display: block; font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; opacity: 0.55; }
.ms-nav-list { display: flex; align-items: center; gap: 0.1rem; list-style: none; margin: 0; padding: 0; justify-content: center; flex-wrap: wrap; }
.ms-nav-link { display: inline-flex; align-items: center; gap: 0.3rem; padding: 0.6rem 0.6rem; font-size: 0.85rem; font-weight: 600; color: #b6b7c6; text-decoration: none; border-radius: 0.4rem; white-space: nowrap; }
.ms-nav-link:hover { color: #fff; }
.ms-nav-chevron { font-size: 0.6rem; }
.ms-nav-item { position: relative; }
.ms-nav-dropdown { position: absolute; top: 100%; left: 0; min-width: 230px; background: #14151d; border: 1px solid rgba(236,236,243,0.12); border-radius: 0.6rem; box-shadow: 0 16px 40px rgba(0,0,0,0.5); padding: 0.5rem; opacity: 0; visibility: hidden; transform: translateY(6px); transition: all 0.2s ease; z-index: 950; }
.ms-nav-item:hover > .ms-nav-dropdown, .ms-nav-item:focus-within > .ms-nav-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.ms-nav-dropdown-list { list-style: none; margin: 0; padding: 0; }
.ms-nav-dropdown-link { display: block; padding: 0.55rem 0.8rem; font-size: 0.85rem; color: #b6b7c6; text-decoration: none; border-radius: 0.4rem; }
.ms-nav-dropdown-link:hover { background: rgba(139,92,246,0.15); color: #fff; }
.ms-header-actions { display: flex; align-items: center; gap: 0.6rem; justify-self: end; }
.ms-header-actions .btn-primary { background: linear-gradient(90deg, #6d3ef2, #ec4899); border: 0; }
.ms-mobile-toggle { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px; width: 44px; height: 44px; background: none; border: 0; cursor: pointer; }
.ms-hamburger-line { display: block; width: 22px; height: 2px; background: var(--ms-text); border-radius: 2px; }
.ms-mobile-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 990; opacity: 0; visibility: hidden; transition: all 0.25s ease; }
.ms-mobile-overlay.is-open { opacity: 1; visibility: visible; }
.ms-mobile-nav { position: fixed; top: 0; right: 0; bottom: 0; width: min(340px, 88vw); background: #14151d; color: var(--ms-text); z-index: 1000; transform: translateX(105%); transition: transform 0.3s ease; display: flex; flex-direction: column; }
.ms-mobile-nav.is-open { transform: translateX(0); }
.ms-mobile-nav-header { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.25rem; border-bottom: 1px solid rgba(236,236,243,0.1); }
.ms-mobile-logo { display: inline-flex; align-items: center; gap: 0.6rem; font-weight: 800; }
.ms-mobile-close { width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(236,236,243,0.25); background: none; color: #fff; cursor: pointer; font-size: 1rem; }
.ms-mobile-nav-body { overflow-y: auto; padding: 1rem 1.25rem 2rem; }
.ms-mobile-nav-list { list-style: none; margin: 0; padding: 0; }
.ms-mobile-nav-link { display: block; padding: 0.7rem 0.2rem; font-weight: 600; color: var(--ms-text); text-decoration: none; border-bottom: 1px solid rgba(236,236,243,0.08); min-height: 44px; }
.ms-mobile-back { margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid rgba(236,236,243,0.1); }
.ms-mobile-back-link { color: var(--ms-pink); font-weight: 600; text-decoration: none; display: inline-flex; gap: 0.5rem; align-items: center; min-height: 44px; }
.ms-footer { background: #0a0b10; color: rgba(236,236,243,0.72); padding: 3.5rem 0 0; border-top: 1px solid rgba(236,236,243,0.08); }
.ms-footer-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; padding-bottom: 2.5rem; }
@media (min-width: 640px) { .ms-footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .ms-footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.ms-footer-logo { display: inline-flex; align-items: center; gap: 0.6rem; font-weight: 800; color: #fff; font-size: 1.02rem; margin-bottom: 0.75rem; }
.ms-footer-desc { font-size: 0.88rem; line-height: 1.7; }
.ms-footer-heading { color: #fff; font-size: 0.85rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 1rem; }
.ms-footer-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.45rem; }
.ms-footer-links a { color: rgba(236,236,243,0.68); text-decoration: none; font-size: 0.88rem; display: inline-flex; gap: 0.45rem; align-items: center; min-height: 32px; }
.ms-footer-links a:hover { color: var(--ms-pink); }
.ms-footer-links i { font-size: 0.6rem; color: var(--ms-violet); }
.ms-footer-contact-item { display: flex; gap: 0.6rem; align-items: center; font-size: 0.88rem; margin-bottom: 0.6rem; }
.ms-footer-contact-item a { color: rgba(236,236,243,0.8); }
.ms-footer-back { display: inline-flex; gap: 0.5rem; align-items: center; color: var(--ms-pink); font-weight: 600; text-decoration: none; margin-top: 0.75rem; min-height: 44px; }
.ms-footer-bottom { border-top: 1px solid rgba(236,236,243,0.08); padding: 1.25rem 0; display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; justify-content: space-between; font-size: 0.8rem; }
.ms-footer-bottom-links { display: flex; gap: 1rem; }
.ms-footer-bottom-links a { color: rgba(236,236,243,0.55); text-decoration: none; }
/* MS detail pages: dark theme adjustments for eco-* primitives */
.ms-section .eco-breadcrumb a { color: var(--ms-pink); }
.ms-section .eco-card, .ms-section .eco-sidebar-card, .ms-section .eco-accordion { background: #14151d; border-color: rgba(236,236,243,0.12); color: var(--ms-text); }
.ms-section .eco-card-text { opacity: 0.75; }
.ms-section .eco-card-link { color: var(--ms-pink); }
.ms-section .eco-tag { border-color: rgba(139,92,246,0.45); color: #c4b5fd; }
.ms-section .eco-cta { background: #14151d; color: var(--ms-text); border: 1px solid rgba(236,236,243,0.1); }
.ms-section .eco-prevnext a { border-color: rgba(236,236,243,0.14); color: var(--ms-text); }
.ms-section .eco-share a { border-color: rgba(236,236,243,0.2); color: var(--ms-text); }
@media (max-width: 480px) { .ms-header-inner { gap: 0.6rem; } .ms-logo-tagline { display: none; } }